Agricultural Chemistry

Course Code2879Marks: 50Credits:2Class Hours: 60Course TitleAgricultural Chemistry1. Pesticides: Its importance, Classification with examples2. Important Insecticides, Acaricides nematocides, Moluscicides, Rodenticides, Herbicides, Fungicides etc. 3. Toxicity of Pesticides:Lethaldose, Toxicsurblethaldose, LD50, ED50, EC50etc. 4. Formulation Pesticides:Grannular, Wettable powder, Emulsion etc. 5. Metabolism of pesticides in biological system, detoxification of pesticides and their metabolites in the environment 6. A brief introduction of organochlorine compounds as pesticides with reference to lindane, heptachlor., DDT, endosulphane etc. The mechanism of action of organochlorine compounds in the biological system, detoxification of the organochlorine and the residual effects in the environment. 7. A brief introduction of organophosphorous compounds and carbamates and their mechanism ofactions in the biological system, their metabolism and cause of resistance in the insect system. 8. Studies of a few pesticides:Metaphos, Bromophos, Metathion, Diazinon, Melathion, Carbaryl, Pirimicarbetc. 9. Insect attractant, repellant, chemosterile retardants etc. 10. Natural Pesticides:Pest control by compounds from natural products. Pyrenthrines, rotenone, glucosoinolates, azadirectin etc. 11. Pest control by pheromones. Advantage of using pheromonesover synthetic pesticides. Books Recommended: 1. G.S. Gruzdyev VA. Zinchenko, V.A. Kalinin, R.I. Slovisov, The Chemical Protection of Plants. Mir Publishers Moscow.